Citazione Stile APA (7a Edizione)

(1966). Regulations and syllabuses for the Certificate of Secondary Education examinations 1966. Yorkshire Regional Examinations Board.

Citazione stile Chigago Style (17a edizione)

Regulations and Syllabuses for the Certificate of Secondary Education Examinations 1966. Leeds: Yorkshire Regional Examinations Board, 1966.

Citatione MLA (9a ed.)

Regulations and Syllabuses for the Certificate of Secondary Education Examinations 1966. Yorkshire Regional Examinations Board, 1966.